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franke
modified 12 years ago

Head Phone Amplifier

5
2
235
03:09:06
Uses 3x OP 213 or 1x OP 413 Low noise Op Amp Chips, 5V to 12 V Single Supply
published 11 years ago
msahar
11 years ago
Amazing
hurz
11 years ago
The inputs at the lower opamp suppose to be swaped. It should be just a normal noninverting amp stage with a gain of 9, like the upper one and nothing nonlinear with positive feedback, right?

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